Aleix Conchillo Flaqué f094ce80fb Add to_string helper on output DTMF frames ...

Mirrors the existing `from_string` classmethod and lets callers
turn a frame's `buttons` list back into a dial string like `"123#"`.
`__str__` and the Daily transport's native DTMF path reuse it.

2026-04-15 15:14:47 -07:00

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pipecat

Add to_string helper on output DTMF frames

2026-04-15 15:14:47 -07:00